16056520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 39124800

約数和(自身を除く): 23068280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 571, 703, 740, 760, 1142, 1406, 1480, 2284, 2812, 2855, 3515, 4568, 5624, 5710, 7030, 10849, 11420, 14060, 21127, 21698, 22840, 28120, 42254, 43396, 54245, 84508, 86792, 105635, 108490, 169016, 211270, 216980, 401413, 422540, 433960, 802826, 845080, 1605652, 2007065, 3211304, 4014130, 8028260, 16056520]

約数ペア:

[(1, 16056520), (2, 8028260), (4, 4014130), (5, 3211304), (8, 2007065), (10, 1605652), (19, 845080), (20, 802826), (37, 433960), (38, 422540), (40, 401413), (74, 216980), (76, 211270), (95, 169016), (148, 108490), (152, 105635), (185, 86792), (190, 84508), (296, 54245), (370, 43396), (380, 42254), (571, 28120), (703, 22840), (740, 21698), (760, 21127), (1142, 14060), (1406, 11420), (1480, 10849), (2284, 7030), (2812, 5710), (2855, 5624), (3515, 4568)]